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boostr.in questions  Question:how to use PHP Sorting Arrays?
The elements in an array can be sorted in alphabetical or numerical order, descending or ascending.
PHP  Sort Functions For Arrays
In this chapter, we will go through the following PHP array sort functions:
Â Â Â Â sort()  sort arrays in ascending order
Â Â Â Â rsort()  sort arrays in descending order
Â Â Â Â asort()  sort associative arrays in ascending order, according to the value
Â Â Â Â ksort()  sort associative arrays in ascending order, according to the key
Â Â Â Â arsort()  sort associative arrays in descending order, according to the value
Â Â Â Â krsort()  sort associative arrays in descending order, according to the key
Sort Array in Ascending Order  sort()
The following example sorts the elements of the $cars array in ascending alphabetical order:
Example
$cars=array("Volvo","BMW","Toyota");
sort($cars);
?>
The following example sorts the elements of the $numbers array in ascending numerical order:
Example
$numbers=array(4,6,2,22,11);
sort($numbers);
?>
Sort Array in Descending Order  rsort()
The following example sorts the elements of the $cars array in descending alphabetical order:
Example
$cars=array("Volvo","BMW","Toyota");
rsort($cars);
?>
The following example sorts the elements of the $numbers array in descending numerical order:
Example
$numbers=array(4,6,2,22,11);
rsort($numbers);
?>
Sort Array in Ascending Order, According to Value  asort()
The following example sorts an associative array in ascending order, according to the value:
Example
$age=array("Peter"=>"35","Ben"=>"37","Joe"=>"43");
asort($age);
?>
Sort Array in Ascending Order, According to Key  ksort()
The following example sorts an associative array in ascending order, according to the key:
Example
$age=array("Peter"=>"35","Ben"=>"37","Joe"=>"43");
ksort($age);
?>
Sort Array in Descending Order, According to Value  arsort()
The following example sorts an associative array in descending order, according to the value:
Example
$age=array("Peter"=>"35","Ben"=>"37","Joe"=>"43");
arsort($age);
?>
Sort Array in Descending Order, According to Key  krsort()
The following example sorts an associative array in descending order, according to the key:
Example
$age=array("Peter"=>"35","Ben"=>"37","Joe"=>"43");
krsort($age);
?>
php
sorting
arrays
asked
Sep 13, 2013
in
PHP
by
rajesh
edited
Sep 12, 2013
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